Flow control valve



FIG. 1 is a perspective view of a flow control valve showing my new design;

FIG. 2 is a left end elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view of a second embodiment thereof;

FIG. 7 is a left end elevational view of FIG. 6;

FIG. 8 is a right end elevational view of FIG. 6;

FIG. 9 is a top plan view of FIG. 6; and,

FIG. 10 is a bottom plan view of FIG. 6. 

The ornamental design for a flow control valve, as shown and described. 